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General Surgery

Steven J. Terrian, DO

Sees patients in Iron Mountain, MI · Michigan

Summary

Dr. Steven J. Terrian, DO is a general surgeon at 1721 S Stephenson Ave, Iron Mountain, MI 49801. Phone: (906) 774-1313. Accepts Medicare assignment. In 2024, Steven J. Terrian had 183 Original Medicare patients and 401 services. NPI 1932125838. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 1721 S Stephenson Ave, Iron Mountain, MI 49801 · Directions
  • Phone: (906) 774‑1313
  • Medicare: Accepts Medicare assignment
  • Group practice: Dickinson County Healthcare System
  • Medical school: Michigan State University College Of Osteopathic Medicine · graduated 1995 (31 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Steven J. Terrian, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Steven J. Terrian accept Medicare assignment?
Yes. Medicare's clinician data says Steven J. Terrian accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Steven J. Terrian see?
In 2024, CMS data shows 183 Original Medicare patients and 401 services for Steven J. Terrian. This counts Original Medicare only and measures volume, not quality.
What is Steven J. Terrian's NPI number?
1932125838. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Steven J. Terrian, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients183
Services billed to Medicare401
Different services or procedures63
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)44 services
  2. Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery (45384)41 services
  3. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)36 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)30 services
  5. New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)24 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis48%
  • Ischemic heart disease33%
  • Anxiety31%
  • Depression27%

Practice locations

Addresses where Steven J. Terrian is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Steven J. Terrian as a member of this group (CMS data updated October 2, 2026).

  • Dickinson County Healthcare System101 clinicians in the group

Specialties

Find other General Surgery doctors in Michigan →

Other general surgeons in Iron Mountain

Clinicians with the same Medicare primary specialty in Iron Mountain, MI — not a recommendation.

All general surgeons in Iron Mountain →

Other clinicians in Dickinson County Healthcare System

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932125838
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians